The pear-psylla, pupa from under side showing the thread0like piercing lancets.
John B. Smith Economic Entomology (Philadelphia and London: J.B. Lippincott Co, 1896)
TIFF (full resolution)
2129×2400, 1.8 MiB
Large GIF
908×1024, 176.9 KiB
Medium GIF
567×640, 88.9 KiB
Small GIF
283×320, 31.8 KiB